FALL EQUINOX

SATURDAY, SEPTEMBER 30, 2023 an event in which a planet's subsolar point passes through its Equator. The equinoxes are the only time when both the Northern and Southern Hemisphere experience roughly equal amounts of daytime and nighttime. Illustration by Przemyslaw, courtesy of Wikimedia.Mar 14, 2023

e·qui·nox /ˈekwəˌnäks,ˈēkwəˌnäks/

noun the time or date (twice each year) at which the sun crosses the celestial equator, when day and night are of approximately equal length (about September 22 and March 20).